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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
You can also use su120 for this. I made a magnetic adjustable layout tester keyboard using those.
Here's another one that doesn't need individual row wires: https://github.com/saoto28/pineapple60/blob/main/p4/.
NOTE:
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